| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 6.786 | 吨/公顷 | 2026-9 |
| 2025/2026 | 6.786 | 吨/公顷 | 2026-9 |
| 2024/2025 | 6.786 | 吨/公顷 | 2026-9 |
| 2023/2024 | 6.714 | 吨/公顷 | 2026-9 |
| 2022/2023 | 6.607 | 吨/公顷 | 2026-9 |
| 2021/2022 | 6.107 | 吨/公顷 | 2026-9 |
| 2020/2021 | 6.893 | 吨/公顷 | 2026-9 |
| 2019/2020 | 7.037 | 吨/公顷 | 2026-9 |
| 2018/2019 | 6.464 | 吨/公顷 | 2026-9 |
| 2017/2018 | 7.357 | 吨/公顷 | 2026-9 |
| 2016/2017 | 5.483 | 吨/公顷 | 2026-9 |
| 2015/2016 | 7.071 | 吨/公顷 | 2026-9 |
| 2014/2015 | 7.444 | 吨/公顷 | 2026-9 |
| 2013/2014 | 5.69 | 吨/公顷 | 2026-9 |
| 2012/2013 | 6.571 | 吨/公顷 | 2026-9 |
| 2011/2012 | 6.536 | 吨/公顷 | 2026-9 |
| 2010/2011 | 6 | 吨/公顷 | 2026-9 |
| 2009/2010 | 6.387 | 吨/公顷 | 2026-9 |
| 2008/2009 | 6.061 | 吨/公顷 | 2026-9 |
| 2007/2008 | 6.029 | 吨/公顷 | 2026-9 |
| 2006/2007 | 6.216 | 吨/公顷 | 2026-9 |
| 2005/2006 | 6.079 | 吨/公顷 | 2026-9 |
| 2004/2005 | 6.946 | 吨/公顷 | 2026-9 |
| 2003/2004 | 5.59 | 吨/公顷 | 2026-9 |
| 2002/2003 | 6.333 | 吨/公顷 | 2026-9 |
| 2001/2002 | 5.568 | 吨/公顷 | 2026-9 |
| 2000/2001 | 6.152 | 吨/公顷 | 2026-9 |
| 1999/2000 | 5.265 | 吨/公顷 | 2026-9 |
| 1998/1999 | 6.857 | 吨/公顷 | 2026-9 |
| 1997/1998 | 6.542 | 吨/公顷 | 2026-9 |
| 1996/1997 | 6.529 | 吨/公顷 | 2026-9 |
| 1995/1996 | 5.509 | 吨/公顷 | 2026-9 |
| 1994/1995 | 5.182 | 吨/公顷 | 2026-9 |
| 1993/1994 | 5.919 | 吨/公顷 | 2026-9 |
| 1992/1993 | 5.8 | 吨/公顷 | 2026-9 |
| 1991/1992 | 5.933 | 吨/公顷 | 2026-9 |
| 1990/1991 | 5.783 | 吨/公顷 | 2026-9 |
| 1989/1990 | 6.429 | 吨/公顷 | 2026-9 |
| 1988/1989 | 5.556 | 吨/公顷 | 2026-9 |
| 1987/1988 | 4.686 | 吨/公顷 | 2026-9 |
| 1986/1987 | 4.182 | 吨/公顷 | 2026-9 |
| 1985/1986 | 5.294 | 吨/公顷 | 2026-9 |
| 1984/1985 | 6 | 吨/公顷 | 2026-9 |
| 1983/1984 | 4.706 | 吨/公顷 | 2026-9 |
| 1982/1983 | 4.917 | 吨/公顷 | 2026-9 |
| 1981/1982 | 4.52 | 吨/公顷 | 2026-9 |
| 1980/1981 | 4.609 | 吨/公顷 | 2026-9 |
| 1979/1980 | 4.625 | 吨/公顷 | 2026-9 |
| 1978/1979 | 4.63 | 吨/公顷 | 2026-9 |
| 1977/1978 | 3.909 | 吨/公顷 | 2026-9 |
| 1976/1977 | 4.357 | 吨/公顷 | 2026-9 |
| 1975/1976 | 3.822 | 吨/公顷 | 2026-9 |
| 1974/1975 | 4.609 | 吨/公顷 | 2026-9 |
| 1973/1974 | 4 | 吨/公顷 | 2026-9 |
| 1972/1973 | 4 | 吨/公顷 | 2026-9 |
| 1971/1972 | 4.308 | 吨/公顷 | 2026-9 |
| 1970/1971 | 3.463 | 吨/公顷 | 2026-9 |
| 1969/1970 | 3.568 | 吨/公顷 | 2026-9 |
| 1968/1969 | 3.733 | 吨/公顷 | 2026-9 |
| 1967/1968 | 3.774 | 吨/公顷 | 2026-9 |
| 1966/1967 | 3.344 | 吨/公顷 | 2026-9 |
| 1965/1966 | 3.065 | 吨/公顷 | 2026-9 |
| 1964/1965 | 3.5 | 吨/公顷 | 2026-9 |
| 1963/1964 | 2.969 | 吨/公顷 | 2026-9 |
| 1962/1963 | 3.571 | 吨/公顷 | 2026-9 |
| 1961/1962 | 3.172 | 吨/公顷 | 2026-9 |
| 1960/1961 | 2.923 | 吨/公顷 | 2026-9 |